The Twin Marchant calculating machine and its application to survey problems
By: by L. J. Comrie.
Publisher: Scientific computing service limited
Published: 1942
Place of publication: London
Language: eng
Number of pages: 40
Subjects: Calculators.; Surveying.
Notes: "Some of these notes have already appeared in On the application of the Brunsviga twin 13z calculating machine to survey problems: first edition, March 1938, and second edition, revised and enlarged, January 1940. Others are taken from paragraphs contributed ... to Modern machine calculation (London ... 1939)"